Fluid-bearing.



No. 741,628. v l PATENTED 00T. 20, 1903.

Jp?. CUOLEY.

FLUID BEARING.

grmcuron FILED .'rAN. 2a, 190s UNITED STATES atented October 20, 1903.

PATENT OFFICE.

JOHN FRANCIS COOLEY,` or BOSTON, MASSACHUSETTS.

SPECIFIGA'JIIOI\Tyforming part of Letters :Patent No. 741,628, datedOctober 20, 1903. Application led January .23. 19,03. Serial No.140.278. (No model.)

' To all whom t may concern,.-

' Be itknown that I, JOHN FRANCIS COOLEY.,

acitizen of the United States, residing at Boston,"in the county ofSuolk and State of Massachusetts, have invented certain new and usefulImprovements in Fluid-Bearings, of which the following is" aspecification.

My invention relates to a Huid-bearing in which the weight of therotating element is supported by anfluid under pressure, and aconstruction embodying my invention is illustrated in the accompanyingdrawings, in

Figure lis a longitudinal section of the device on line b b, Fig.2,"looking in the direction of arrow. Fig. 2 is a cross-section on linea a, Figi, looking in the direction of arrow. Fig. 3 isa front elevationof the sleeve B, showing groove in exterior portion.

fits. in the exterior groove of the sleeveB. Fig. 6 is a perspectiveview ofthe packingring G. 'Fig. 6 is a perspective view of the threadedring K.

Referring to the drawings, a shaft A has rigidly mounted thereon thesleeve B, held in position by set-screws C and C. The sleeve B carriesthe strips D, D', D2, and D3, set in the longitudinal grooves andactuated by springs F. The packing-rings G, closely fitting the box H,are of ylarger external diameter than the sleeve B and t over theprojecting bases of the spring-'actuated'strips D, D', D2, and D2. l

The internal diameter of the packing-rings G being larger than the baseof the annular space I, Fig. 3, formed by the sleeve B and threadedrings K, screwed on the reduced ends of the sleeve, the rings G arekheld in close moving fit thereby, and a lateral motion is allowed. Thestrips D, D', D2, and D3 and packing-rings G form, with the sleeve B andthe box H, thin closed chambers J, J', J2, and J 3. The threaded rings Kin position cover the set-screws C and C', keepingthe same from workingloose.

The fluid-cup M, tightly covered by the cap M', communicates vwith theclosed chambers J, J', J2, and Jix by means of the duct N. Thereservoirs Pare connected by the-duct Q at their lowest points, andcommunication is established with duct N by means of duct O.

Fior.` 4 is a perspective View of the strip D, which The operation ofthe bearing is as follows: The working iiuid is admitted to thechambersJ, J', J2, and J3 and to the vreservoirs P by means of the cupM. (See Fig. 2.) The sleeve B of the shaft A rests upon thebox H at itslowest point. The strips D and D3 andthe packing-rings O, with the box Hand sleeve B, form the thin closed chamber J. The shaft A rotating inthe direction of the arrow, a vacuum is formed in the chamber J, whichwhen the strip D has passed the duct N actuates and causes the fluid toenter and fill the said chamber from the reservoirs P through the ductsQ, O, andN. When the strip D3 has passed the duct N, the chamber J 3repeats the process, as does` also chamber J2. Meanwhile the chamber Jhaving been filled with fluid from the cup M and turning .shaft A hasassumed a central position in the box H and the fluid area is equalizedin all the chambers.

Any seepage from the bearing collectsin the reservoirs P, whichreservoirs supply the vacuum caused by such seepage with iiuid,

as hereinbefore described.

Having thus described thenature of my invention' and set forth aconstructionembodying the same, whatl claim as new, and desire to secureby Letters Patent of the United States, is-

1.,'In a bearing, a sleeve fixed upon a shaft, radially-adj ustablesplines arranged in grooves in the periphery of the sleeve, ringsarranged in annular grooves near the extremi` said rings forminglongitudinal and radial limitations for said splines, a cylindricalbearing-case Whose bore is slightly larger than said sleeve andinclosing said parts, and

5 means for admitting fluid to the bearing.

3. In a bearing, a sleeve fixed upon a shaft, radially-adjustablesplines longitudinally arranged in grooves in the periphery of thesleeve, rings arranged in annular grooves Io near the extremities of thesleeve, said rings forming longitudinal and radial limitations for saidsplines, a cylindrical bearing-case Whose bore is slightly larger thansaid sleeve inclosing said parts, there being annular x5 spaces aroundthe interior extremities of said zo grooves in the periphery of thesleeve, threaded rings fitted on reduced ends of the sleeve,

""`said"rings'"vith the sleeve forming annular grooves near eachextremity, packing-rings of larger external diameter than said sleevearranged in said annular grooves, a cylindrical bearing-case Whose boreis slightly larger than said sleeve and inclosing said parts, saidbearing-case forming with said sleeve, packing-rings and radially-adjustable splines, thin closed chambers, annular spaces around theinterior extremities of said cylinder forming reservoirs, and means foradmission of fluidv to the bearing.

5. In a bearing, a sleeve fixed upon a shaft, radially-adj ustablesplines arranged in grooves in the periphery ofthe sleeve, threadedrings tted on reduced ends of thesleeve, said rings with the sleeveforming annular grooves near each extremity, packing-rings of largerexternal diameter than the sleeve arranged in the annular grooves, acylindrical bearing-case Whose bore is slightly larger than said sleeveand inclosiu g said parts, said case forming with said sleeve,packing-rings and radially-adjustable splines, thin closed chambers,there being annular spaces around the interior extremities of said caseforming reservoirs, means for admission of fluid to the bearing, andmeans for the transmission of fluid from the reservoirs to the chambers.

In testimony whereof I anix my signature in presence of two witnesses.

JOHN FRANCIS COOLEY.

Witnesses:

WILLIAM C. GRAY, LoUIs G. BAR'rLET'r.

